GCSE Computer Science: Sounds
Do you want to save hours of lesson preparation time? Get your evenings and weekends back and focus your time where it's needed! Be fully prepared with presentations, notes, activities, and more.
All Computer Science topics are covered, and each module comes complete with:
Activities & Quizzes
Mind Maps, Flashcards & Glossaries
Frequently Asked Questions
What is the sampling rate in sound representation?
The sampling rate is the number of times per second that a sound wave is measured and converted into a digital signal. It is measured in hertz (Hz) and determines the quality of the sound. The higher the sampling rate, the more accurately the original sound is represented, and the better the sound quality.
What is the difference between analog and digital sound?
Analog sound is a continuous wave that is created by natural sound sources such as voices, musical instruments, or other acoustic sources. Digital sound, on the other hand, is a representation of sound that is created by converting an analog wave into a series of numbers that can be stored and processed by a computer. Digital sound is more flexible and can be manipulated and edited in various ways.
What is the role of codecs in sound representation?
Codecs (short for "coder-decoder") are algorithms that are used to compress and decompress sound files. They can reduce the size of sound files for storage and transmission while preserving the quality of the sound. Popular sound codecs include MP3, AAC, and FLAC.
What is the difference between mono and stereo sound?
Mono sound is a single channel of sound, whereas stereo sound has two channels of sound that are intended to be heard separately in each ear. Stereo sound is often used in music and film to create a more immersive and realistic listening experience.